1 /*
2 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
3 * Use is subject to license terms.
4 */
5
6 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
7 /* All Rights Reserved */
8
9 /*
10 * Copyright (c) 1980 Regents of the University of California.
11 * All rights reserved. The Berkeley software License Agreement
12 * specifies the terms and conditions for redistribution.
13 */
14
15 #include "e.h"
16
17 void
column(int type,int p1)18 column(int type, int p1)
19 {
20 int i;
21
22 lp[p1] = ct - p1 - 1;
23 if (dbg) {
24 printf(".\t%d column of", type);
25 for (i = p1 + 1; i < ct; i++)
26 printf(" S%d", lp[i]);
27 printf(", rows=%d\n", lp[p1]);
28 }
29 lp[ct++] = type;
30 }
31
32 void
matrix(int p1)33 matrix(int p1)
34 {
35 int nrow, ncol, i, j, k, hb, b, val[100];
36 char *space;
37
38 space = "\\ \\ ";
39 nrow = lp[p1]; /* disaster if rows inconsistent */
40 ncol = 0;
41 for (i = p1; i < ct; i += lp[i] + 2) {
42 ncol++;
43 if (dbg) printf(".\tcolct=%d\n", lp[i]);
44 }
45 for (k = 1; k <= nrow; k++) {
46 hb = b = 0;
47 j = p1 + k;
48 for (i = 0; i < ncol; i++) {
49 hb = max(hb, eht[lp[j]]-ebase[lp[j]]);
50 b = max(b, ebase[lp[j]]);
51 j += nrow + 2;
52 }
53 if (dbg) printf(".\trow %d: b=%d, hb=%d\n", k, b, hb);
54 j = p1 + k;
55 for (i = 0; i < ncol; i++) {
56 ebase[lp[j]] = b;
57 eht[lp[j]] = b + hb;
58 j += nrow + 2;
59 }
60 }
61 j = p1;
62 for (i = 0; i < ncol; i++) {
63 lpile(lp[j+lp[j]+1], j+1, j+lp[j]+1);
64 val[i] = yyval;
65 j += nrow + 2;
66 }
67 yyval = oalloc();
68 eht[yyval] = eht[val[0]];
69 ebase[yyval] = ebase[val[0]];
70 lfont[yyval] = rfont[yyval] = 0;
71 if (dbg)
72 printf(".\tmatrix S%d: r=%d, c=%d, h=%d, b=%d\n",
73 yyval, nrow, ncol, eht[yyval], ebase[yyval]);
74 printf(".ds %d \"", yyval);
75 for (i = 0; i < ncol; i++) {
76 printf("\\*(%d%s", val[i], i == ncol-1 ? "" : space);
77 ofree(val[i]);
78 }
79 printf("\n");
80 ct = p1;
81 }
82